For two days, the carcasses of the hunters lay stretched out on the ice sheets of Karatash mountain alongside their prey, the sacred Argali ram. Alexander Kosopkin, the presidential envoy to the State Duma, the senior Parliament official Sergey Livishin, the beer tycoon Boris Ivanovich Belinsky, the folk musician Vasily Vyalkov, Anatoly Bannykh, the deputy prime minister, Viktor Kaimin, the official guardian of wildlife. The friends had commandeered a helicopter operated by Gazpromavia, a subsidiary of the state-owned energy giant Gazprom, to corral and hunt down the critically endangered Argali with automatic weapons, ignoring laws banning shooting wildlife from the...